﻿//===========================================================================================================================
// Cuberry - http://www.cuberry.net
// Copyright (c) 2012
// by Peacequare® - Amir Moussa
//===========================================================================================================================
// This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License 
// as published by the Free Software Foundation, either version 3 of the License, or any later version.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
// documentation files (the "Software"), to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and 
// to permit persons to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or substantial portions 
// of the Software.
//
// This program is distributed in the hope that it will be useful.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
// CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.
//
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
//===========================================================================================================================

using System;
using System.ComponentModel;
using Microsoft.Practices.Prism.Commands;
using Microsoft.Practices.Prism.Regions;
using Microsoft.Practices.Unity;
using Microsoft.Practices.Prism.Events; //!!Ex02.3
using P2.Cuberry.Framework.Infrastructure;

namespace P2.Cuberry.Modules.SimpleAccounting.Empty
{
    class EmptyFindPresenter : IEmptyFindPresenter, INotifyPropertyChanged
    {
        public BusinessEntities.Empty Model { get; set; }
        private IRegionManager regionManager;
        private IUnityContainer container;
        private IEventAggregator _eventAggregator; //!!Ex02.3

        
        public EmptyFindPresenter(IEmptyFindView view, IUnityContainer container, IRegionManager regionManager,
            IEventAggregator eventAggregator) //!!Ex02.3
        {
            this._eventAggregator = eventAggregator; //!!Ex02.3
            this.container = container; 
            this.regionManager = regionManager;            
            this.View = view;
            this.View.Presenter = this;
            this.switchMainRegion = new DelegateCommand<object>(OnSwitchExecute, OnSwitchCanExecute);
            this.fillMainRegionCommand = new DelegateCommand<object>(OnFillExecute, OnFillCanExecute);//!!Ex02.3
        }


        public IEmptyFindView View { get; set; }

        public DelegateCommand<object> switchMainRegion { get; set; }
        public DelegateCommand<object> fillMainRegionCommand { get; set; } //!!Ex02.3


        void OnFillExecute(object sourceAccount) //!!Ex02.3
        {
            Events.FindEmptyEvent findEvent = this._eventAggregator.GetEvent<Events.FindEmptyEvent>();
            findEvent.Publish(this.Model);
        }

        bool OnFillCanExecute(object sourceAccount)//!!Ex02.3
        {
            return true;
        }



        void OnSwitchExecute(object sourceAccount)
        {
            IRegion mainRegion = this.regionManager.Regions[RegionNames.MainRegion];

            var emptyView = mainRegion.GetView("EmptyListView");
            var emptyExperimentalView = mainRegion.GetView("EmptyExperimentalView");

            if (emptyView != null)
            {
                //EmptyListView was found in region
                mainRegion.Remove(emptyView);
                IEmptyExperimentPresenter presenter = this.container.Resolve<IEmptyExperimentPresenter>();
                mainRegion.Add(presenter.View, "EmptyExperimentalView");
            }
            else
            {
                if (emptyExperimentalView != null)
                {
                    //EmptyExperimentalView was found in region
                    mainRegion.Remove(emptyExperimentalView);
                    IEmptyListPresenter presenter = this.container.Resolve<IEmptyListPresenter>();
                    mainRegion.Add(presenter.View, "EmptyListView");
                }
            }
            //P2.Cuberry.Framework.Helper.ModuleRepository.Modules["Empty"].Hide();
            //P2.Cuberry.Framework.Helper.ModuleRepository.Modules["FiAccount"].Show();

            return;
        }

        bool OnSwitchCanExecute(object sourceAccount)
        {
            return true;
        }

        #region Property Changed

        public event PropertyChangedEventHandler PropertyChanged;
        

        private void OnPropertyChanged(string propertyName)
        {
            PropertyChangedEventHandler Handler = PropertyChanged;
            if (Handler != null) Handler(this, new PropertyChangedEventArgs(propertyName));
        }

        #endregion


    }
}
